package kr.hkit.powerjava.chapter23;

public class ThreadControl {
	static void print(String msg){
		String threadName=Thread.currentThread().getName();
		System.out.format("%s: %s%n", threadName, msg);
	}
	private static class MessageLoop implements Runnable{
		@Override
		public void run() {
			String [] message={"Pride will have a fall.",
					"Power is dangerous unless you have humility",
					"Office changes manners.",
					"Empty vessls make the most sound"
			};
			for (int i = 0; i < message.length; i++) {
				print(message[i]);
				try {
					Thread.sleep(2000);
				} catch (InterruptedException e) {
					print("아직 끝나지 않았음");
				}
			}
		}//end of method run()
	}//end of class MessageLoop
	public static void main(String[] args) throws InterruptedException{
		int tries=0;//시도 횟수
		
		ThreadControl.print("추가적인 스레드를 시작합니다");
		Thread t = new Thread(new MessageLoop());
		t.start();
		
		ThreadControl.print("추가적인 스레드를 끝나기를 기다립니다.");
		
		while(t.isAlive()){
			//살아있는가?
			ThreadControl.print("아직 기다립니다");
			t.join(1000);
			tries++;//한번 기다렸으니 1증가
			//System.out.println(tries);
			if(tries>2){//2초기다렸는데 아직 Alive이면
				ThreadControl.print("참을수 없어!!");
				t.interrupt();
				t.join();
			}
		}ThreadControl.print("메인 스레드 종료");
	}
}
